<template>
	<div>
		<div id="slider" class="mui-slider ">
			<div
				id="sliderSegmentedControl"
				class="mui-scroll-wrapper mui-slider-indicator mui-segmented-control mui-segmented-control-inverted"
			>
				<div class="mui-scroll">
					<a
						:class="['mui-control-item', item.id == 0 ? 'mui-active' : '']"
						v-for="item in cates"
						:key="item.id"
						@tap="getPhotoList(item.id)"
					>
						{{ item.title }}
					</a>
				</div>
			</div>
		</div>
		<!-- 图片列表 -->
		<ul class="photo-list">
			<router-link v-for="item in list" :key="item.id" :to="'/home/photoinfo/' + item.id" tag="li">
				<img v-lazy="item.img_url" />
				<div class="info">
					<h1 class="info-title">{{ item.title }}</h1>
					<div class="info-body">{{ item.zhaiyao }}</div>
				</div>
			</router-link>
		</ul>
	</div>
</template>
<script>
import mui from '../../lib/mui/js/mui.min.js'

export default {
	data() {
		return {
			cates: [], //所有分类的数组
			list: [],
		}
	},
	created() {
		this.getAllCategory(), this.getPhotoList(0)
	},
	mounted() {
		//解决刚进入页面，滑动条不能滑动的问题，把它放在载入后的周期中
		//如果要操作dom元素最好在mounted中操作
		mui('.mui-scroll-wrapper').scroll({
			deceleration: 0.0005,
		})
	},
	methods: {
		getAllCategory() {
			//获取所有的图片
			// 获取轮播图数据的方法
			this.$http.get('api/getimgcategory').then(result => {
				if (result.body.status === 0) {
					// console.log(result)
					result.body.message.unshift({ title: '全部', id: 0 })
					this.cates = result.body.message
					// 成功了
				} else {
					// 失败的
					console.log(失败)
					Toast('加载轮播图失败。。。')
				}
			})
		},
		getPhotoList(cateId) {
			//获取所有的图片
			// 获取轮播图数据的方法
			this.$http.get('api/getimages/' + cateId).then(result => {
				if (result.body.status === 0) {
					console.log(result)
					this.list = result.body.message
					// result.body.message.unshift({ title: '全部', id: 0 })
					// this.cates = result.body.message
					// 成功了
				} else {
					// 失败的
					console.log(失败)
					Toast('加载轮播图失败。。。')
				}
			})
		},
	},
}
</script>
<style lang="scss">
* {
	touch-action: pan-y; //去除滑动头部选项卡的警告
}
.photo-list {
	list-style: none;
	margin: 0;
	padding: 0;
	padding: 10px;
	padding-bottom: 0;
	li {
		background-color: #ccc;
		text-align: center;
		margin-bottom: 10px;
		box-shadow: 0 0 6px #999 img;
		position: relative;
		img {
			width: 100%;
			vertical-align: middle;
		}
		img[lazy='loading'] {
			width: 40px;
			height: 300px;
			margin: auto;
		}
		.info {
			color: white;
			text-align: left;
			position: absolute;
			bottom: 0;
			background-color: rgba(0, 0, 0, 0.4);
			max-height: 84px;
			.info-title {
				font-size: 14px;
			}
			.info-body {
				font-size: 13px;
			}
		}
	}
}
</style>
